From a67892d414a1a9aa36ab7382b97ab111688511bb Mon Sep 17 00:00:00 2001
From: holger krekel <holger@merlinux.eu>
Date: Thu, 8 Aug 2019 19:21:52 +0200
Subject: [PATCH] (jikstra, hpk) fix a logic bug introduced with the
 stock-string merge which set the better message only if it was empty

---
 src/dc_receive_imf.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dc_receive_imf.rs b/src/dc_receive_imf.rs
index 77e6b452c..8be5287f3 100644
--- a/src/dc_receive_imf.rs
+++ b/src/dc_receive_imf.rs
@@ -1723,7 +1723,7 @@ unsafe fn check_verified_properties(
 
 unsafe fn set_better_msg<T: AsRef<str>>(mime_parser: &mut dc_mimeparser_t, better_msg: T) {
     let msg = better_msg.as_ref();
-    if !(msg.len() > 0) && !mime_parser.parts.is_empty() {
+    if msg.len() > 0 && !mime_parser.parts.is_empty() {
         let part = &mut mime_parser.parts[0];
         if (*part).type_0 == 10 {
             free(part.msg as *mut libc::c_void);